Reportage in a rehabilitation centre in Germany, specialising in neurological rehabilitation after a stroke or head injury. The centre is equipped with a number of robotic technologies which facilitate exercises. A patient uses Armeo Spring technology with the help of a physiotherapist. Armeo Spring is particularly adapted to patients who are starting active reuse of their arms and hands. It proposes various repetitive therapies to increase the breadth of movement and patient's control over the movement.